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Finding the Fourth Proportional to 653,116,687.30, 978,331,338.15 and 330,182,517.70

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Solution

The fourth proportional to 653,116,687.30, 978,331,338.15 and 330,182,517.70 is: 494,594,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,116,687.30 : 978,331,338.15 = 330,182,517.70 : x
  2. Step 2: Convert to fraction form
    653,116,687.30/978,331,338.15 = 330,182,517.70/x
  3. Step 3: Cross multiply
    653,116,687.30x = 978,331,338.15 × 330,182,517.70
  4. Step 4: Simplify right side
    653,116,687.30x = 323,027,904,375,177,024
  5. Step 5: Solve for x
    x = 323,027,904,375,177,024/653,116,687.30
  6. Step 6: Final answer
    x = 494,594,473.94

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